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Old 09-25-2018, 12:36 PM   #6
BearKeller
Junior Member
 
Join Date: Aug 2018
Posts: 19
Pumps have a tendency to loose their prime, especially if its been running dry for a while or when you try to de-winterize the system. Some are very temperamental. Its usually fixed by opening and closing a faucet and turning the pump on and off. Sometimes it takes several attempts. They simply get air locked.
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